Home / 38,771.11-58,156.68-12,475.85

Finding the Fourth Proportional to 38,771.11, 58,156.68 and 12,475.85

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Solution

The fourth proportional to 38,771.11, 58,156.68 and 12,475.85 is: 18,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,771.11 : 58,156.68 = 12,475.85 : x
  2. Step 2: Convert to fraction form
    38,771.11/58,156.68 = 12,475.85/x
  3. Step 3: Cross multiply
    38,771.11x = 58,156.68 × 12,475.85
  4. Step 4: Simplify right side
    38,771.11x = 725,553,935.74
  5. Step 5: Solve for x
    x = 725,553,935.74/38,771.11
  6. Step 6: Final answer
    x = 18,713.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.